Onyx Racing Aluminum cogs are designed to work with your favorite BMX or singlespeed mountain hub. While not as durable as the Onyx Stainless cogs, the alloy cogs are lighter than their stainless siblings. The alloy cogs feature a wider base to reduce freehub body damage and work with 3/32" chains. These cogs, like all Onyx Racing Products are made in the USA.
For Shimano compatible free hubs
3/32" chain compatible
Made in the USA
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